4-Color ballpoint pen: The 4-in-1 pens can write with different colors; include black, blue, red, green, you can match your pen to your mood. Retractable: Push down the color you want, to change color just push it down the other will jump up, suitable for highlighting important parts of text or notes Convenient and portable: Small and portable, suitable for your wallet, bag or even pocket, keychains can also hang on your bag. Good gifts: Useful and interesting gifts for students, children, office workers, etc., and good for summer camps Quantity delivered: 10 pieces Package Contents: Only the above package contents, excluding other products. Size: 13.8*1.8cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: color random delivery (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)